MVStore: recovery for a database with many CLOB or BLOB entries is now much faster.

h2/src/main/org/h2/tools/Recover.java

@@ -681,7 +681,8 @@ public class Recover extends Tool implements DataHandler {
         writer.println("-- LOB");
         writer.println("CREATE TABLE IF NOT EXISTS " +
                 "INFORMATION_SCHEMA.LOB_BLOCKS(" +
-                "LOB_ID BIGINT, SEQ INT, DATA BINARY);");
+                "LOB_ID BIGINT, SEQ INT, DATA BINARY, " +
+                "PRIMARY KEY(LOB_ID, SEQ));");
         for (Entry<Long, Object[]> e : lobMap.entrySet()) {
             long lobId = e.getKey();
             Object[] value = e.getValue();